Adjustable box-end wrench



FIG. 1 is a front elevational view showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is an elevational view of the back side of FIG. 1;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 1. 

The ornamental design for an adjustable box-end wrench, as shown and described. 